-5x^2+18=13

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Solution for -5x^2+18=13 equation: 


Simplifying
-5x2 + 18 = 13

Reorder the terms:
18 + -5x2 = 13

Solving
18 + -5x2 = 13

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-18' to each side of the equation.
18 + -18 + -5x2 = 13 + -18

Combine like terms: 18 + -18 = 0
0 + -5x2 = 13 + -18
-5x2 = 13 + -18

Combine like terms: 13 + -18 = -5
-5x2 = -5

Divide each side by '-5'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}

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